Category
Developer Utilities
Developer-focused parsers, comparators, and protocol helpers.
Tools in this category
Payload Decoder
Decode URL/Base64 payloads, normalize JSON, and inspect timestamps from one debugging workspace.
Binary Text Converter
Convert plain text and binary bytes in both directions.
Hex Text Converter
Convert text to hex bytes and decode hex to text.
Base Converter
Convert integers between bases 2, 8, 10, and 16.
JWT Decoder & Verifier
Decode, build, and verify JWT tokens — entirely client-side (HS256).
Semver Comparator
Compare two semantic versions.
Regex Tester
Test regular expressions with live match highlighting and capture group table.
CRON Parser
Parse CRON expressions, describe them in plain language, and preview the next 10 runs.
HTTP Status Lookup
Look up HTTP status codes and meanings.
Three-Way Diff Viewer
Paste a base version plus two edits and see conflicts, one-sided changes, and auto-merge candidates.